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Infrared sensor future market forecast
In recent years, with the rapid development of science and technology, infrared sensors have experienced significant growth. Advances in computer microprocessor technology, digital signal processing, new semiconductor materials, and manufacturing techniques have all contributed to this progress. According to a report from a foreign research institution, global sales of infrared sensors increased from $152 million in 2010 to $286 million in 2016. Another study by ASD Reports predicts that the EO/IR sensor market will reach $10 billion by 2024, up from $7.3 billion in 2014, with a growth rate of 3.22%.
Infrared sensors are among the fastest-growing technologies today. They are widely used in aerospace, astronomy, meteorology, military, and industrial and civil applications, playing an irreplaceable role. Infrared radiation is a form of electromagnetic wave with wavelengths ranging from approximately 0.78 micrometers to 1000 micrometers. Since it lies just beyond the red end of the visible spectrum, it is called "infrared." Any object above absolute zero emits energy in the form of infrared radiation. The technology that uses this radiation for sensing and measurement is known as infrared sensing.
Recent trends in infrared sensor development include:
1. **Advancements in Materials and Processing Technologies**
New materials and improved manufacturing methods have enhanced detection efficiency, extended response wavelengths, reduced response times, increased pixel sensitivity and density, improved anti-interference capabilities, and lowered production costs. For example, companies like Pyreos and Irisys have introduced advanced pyroelectric technology using thin films and ceramics, enabling more efficient sensor arrays.
2. **Larger and More Multifunctional Sensors**
As microelectronics advance and applications expand, infrared sensors are evolving from small-scale, single-function devices to large-scale, multifunctional systems. Large-format sensors (e.g., 16×16 to 64×64 pixels) can measure temperature fields and detect human presence, even when individuals are stationary. These sensors are ideal for home automation, healthcare, and security systems. Additionally, multispectral sensors have significantly expanded the functionality of infrared imaging.
3. **Increased Sensor Intelligence**
Modern intelligent infrared sensors come equipped with multiple microprocessors and advanced digital signal processing features such as Fourier transforms, wavelet transforms, self-diagnosis, and two-way communication. These enhancements improve stability, reliability, and noise performance, making them more user-friendly.
4. **Miniaturization and Integration**
With on-chip integration and MEMS/NEMS technologies, infrared sensors are becoming smaller, more power-efficient, and highly integrated. This has enabled their use in compact devices like smartphones and tablets, opening up new markets.
In terms of applications, infrared sensors are now being used in smart building automation, mobile device temperature sensing, and more. Small-sized sensors in phones and tablets can now sense temperature with a single pixel. As wafer-level packaging becomes more common, these sensors are becoming cheaper and smaller.
Mid-size arrays (4x4 to 16x16 pixels) are already finding their way into HVAC systems in homes and vehicles. If prices continue to drop, they could also be used in retail and home appliances. Large-scale arrays (32x32 or more pixels) are expected to drive smart home solutions, though affordability remains a key challenge.
According to Yole Developpement, continuous innovation has allowed infrared sensors to move into high-end markets such as temperature measurement, gas detection, and fire sensing. Originally limited to simple motion detection, modern sensors now offer complex functionalities. Companies like Heimann Sensors and ULIS have driven advancements in pyroelectric and thermopile technologies, pushing the boundaries of what infrared sensors can do.
The market is now diverse, with many manufacturers competing across different segments. While small sensors face price wars, medium and large arrays still rely on performance and quality, offering opportunities for new entrants. However, transitioning from small to large arrays requires strong patent portfolios and advanced MEMS manufacturing capabilities, which most existing manufacturers are not yet ready to tackle.